export declare const aspectRatio: (value: number) => import("styled-components").FlattenSimpleInterpolation;
export declare const square: (value: string) => import("styled-components").FlattenSimpleInterpolation;
export declare const fillParent: import("styled-components").FlattenSimpleInterpolation;
export declare const transition: (properties: string, durations: string, timingFunctions?: string | number[], delays?: string) => import("styled-components").FlattenSimpleInterpolation;
export declare const hover: (literals: TemplateStringsArray, ...placeholders: any[]) => import("styled-components").FlattenSimpleInterpolation;